Prius 12v battery not charging. I recently installed new 12 volt batteries in each.
Prius 12v battery not charging no, battery is not directly charged, it is charged on demand off hybrid battery. Then check engine light /problem light came on . Here's the first one : Prius won’t get over 30mpg after new engine installed | Page 5 | PriusChat They're available all day long at salvage yards. Its a new battery and I put a charge on it before installing it. In Accessory mode, the 12V battery supplies the power and is not being recharged. Discussion in 'Gen 2 Prius Main Forum' started by donzoh1, May 30, 2021. So, if you're worried that you may have a low battery, this is the first place you should check. Related Post: Can you replace a prius battery yourself; Can you replace a prius 12v battery yourself; Can you charge a prius battery; Can you replace a ccar battery yourself; Can you replace a 2011 volt battery yourself Open your vehicle’s trunk or hood to access the 12-volt battery. Eve Discussion starter. My 2010 Prius had its original 12v battery and after sitting overnight its charge is 12. I am able to drive the car up to 80 mph, but all the while the dash shows 1 bar and my Torque app show State of Charge 29. What Tools Do You Need to Replace a Prius 12V Battery? To replace a Prius 12V battery, you need a few essential tools. Make sure you don’t leave on the air or radio and have the Prius on with the Ready light lit up. Because the cell charger is connected via the aux outlet it is turned off when the car is turned off, so that isn't going to drain the 12V battery. John H Senior Member. Long periods of inactivity can lead to That and how many times has the 12 volt battery gone dead? How many jumps in its life? #2 edthefox5, Sep 18, 2012. A new AGM battery should measure ~13V out of the box. Socket wrench set 2. 9K views 0 replies 1 participant last post by Eve Feb 13, 2016. For jumpstarting, refer to the owner’s manual for detailed directions on correct usage. I drive short distances A decent battery with an acceptable parasitic draw should last three or maybe four weeks and still start the Prius. 8%. Has anyone had same If your 12V battery is losing charge while the car is idle, put a battery maintainer on it. The reason to remove the battery from the car is to He recommended that if I am not driving my Prius for more than two days consider putting a trickle charger on the 12v battery to maintain its charge as that battery's charge can affect the longevity of the HV battery. Drivers should monitor the health of both batteries. Discussion in 'Gen 2 Prius Technical Discussion' started by Lou Fezio, Mar 19, 2018. 6) Your testing is done, please post up your daily logged testing info. Understanding the care each battery requires ensures the longevity and reliability of the Prius. The EV traction battery charges the 12 volt battery via DC to DC converter. Rob43 was the first I've seen In Toyota’s Repair Manual, for the message you quoted, the Problem Symptoms Table for the electronic shift lever system lists only “Auxiliary battery is discharged or voltage is low” as a suspected area. Another option is an inexpensive battery tester (ToPDon BT100 works well) that can test your battery, the charging system, perform a cranking test, even track the Internal Resistance, allowing you to anticipate future performance. Get insights into the reasons behind the Toyota Prius 12V battery not charging, its impacts on your vehicle, and the most effective solutions to My 12V battery is not holding a charge. Make sure the charger is 2005 Prius not charging 12v while driving. On the highway not around town. This would allow the car to start instead of needing a jump I looked and saw they put 10w30 in instead of 5w30 but i don't think that would cause the car to not charge the 12v. I can't find B0101 in the manual. The 12V battery charges from this while the vehicle is in "ready" mode. If your Prius won’t start, you need to charge the auxiliary battery. The HV battery charges the 12V battery and when it is in Parked the computer raises the charging voltage somewhere around 14. Search Media; New Media; Wiki. Codes reset I drove around some more and the car died What Are Signs of The Prius Low 12 Volt Battery Car Won’t Start? The most common symptoms of a low 12-volt battery in a Prius include: poor start or stalling, dim lights, weak or failing radio system, error messages, unstable Buy one that doesn't exceed the 12V battery maximum charging rate; this info will be printed on the battery or available online from the manufacturer. The 12 v batt took a full charge and once I had a Prius You can charge a Toyota Prius 12-volt battery in two ways: use a battery charger or jumpstart it with cables from another vehicle. i'm still waiting for someone knowledgeable to explain the proper and safe way to charge the That will kill both the hybrid battery and the 12 volt battery as you have found out. The poor state of the lead acid battery caused it to draw more charging current than normal. The low 12-volt battery indicates that your car is not getting enough voltage through the automotive battery to work. 9V; Car Started: 14. I recently purchased a Schumacher SC-600A battery charger, and wanted to know if it was safe to charge the 12V Always leave the car in ready mode if you are in it. Try charging the 12v battery. This problem can lead to serious failures. It is important to use an automatic charger instead of a trickle charger, as These did not. Lost its charge (A/C gas charge) because of a leak in the Traction Battery where the climate system can heat or cool the battery during charge or discharge. The system is running overtime trying to charge a 12v battery that won't take a charge. They do not keep the batteries charge. The 12v on a prius is charged by a Now I'm wondering why the power conversion system wasn't charging the 12 volt battery or is my 1 year old Optima bad?? Or is there something about my driving conditions/plug-in conversion that is effecting the charge of this battery. C1215 says Battery, Charging system or Power source circuit. Alternators have Which is really do damage to any 12V car battery (there are some deep discharge type but the prius' is not one of those). The 12v battery was replaced about a week ago (the problem started exactly a week after install) oil was recently changed, hybrid battery was replaced with a brand new (not refurbed) battery about 9 months ago. Begin the charging process with the car turned off to avoid any electronic conflicts. While you are charging the car from the wall socket, the 12V battery will charge at the same time, but this can't start if the 12V battery is dead. When I had battery issues previously, I checked the 12V and the battery was My 01 Prius is not charging the 12V battery and I have error code P3001. It may be more complicated, but the dc-dc converter produces up to 100A (like a regular car with a 100A alternator). You can buy a smart charger and connect it to the battery in the back OR in the fuse box under the hood in the front. The easiest way to tell is if the car won’t start. Open the trunk and remove any necessary coverings charge the 12V battery? Say you are driving but the gas engine is off, will the 12V still be charging? I have to charge the 12V if the car sits for 7 days but 3 or 4 it starts OK. Aside from that, shortcoming in general of only 12v systems being given more and more demand in modern cars My 22 prius prime 12v battery died after 28 months. Then the high voltage battery charges the 12V battery, but only when the car is in READY mode. Knowing how to properly charge this battery is vital to Prof. With something like a Battery Tender a full charge will take up to 48 hours. 9v. First, you should check the battery’s connections to ensure that they are clean and secure. 2023 Prius Prime drains 12v battery when plugged in to charge . 9 volts. If the car is on it will charge the 12v battery from the high voltage system regardless if the engine is on or not or if the car is stationary. I recently installed new 12 volt batteries in each. The table refers to At minimum when charging the battery, the negative cable should be removed so that the Prius electronics are not exposed to the charging voltage. Here are the biggest signs that your Prius Pressing the start button should deliver a charge to the 12V battery, as long as the hybrid battery is at a safe level. While the battery drops to 10. I would not be putting a charger on it on a regular basis. It is not necessary to run the car in Ready for long periods of time to charge a 12v battery. Everyone on here said P3001 is the HV battery ECU. #11 Brian1954, Feb 27, 2023. Recently purchased a 2008 Prius not running properly, the previous owner said it had a bad battery. You can do this by It is mind numbing they don't trickle charge when plugged in to charge traction battery (not hybrid as you state). Search Forums; Featured Threads; Recent Posts; Media. John Kelly of Weber University has a video that shows how you could verify whether or not your charging system is working properly. 5V, the CCA is still in the 300A range - and 'green' = good. And as always, Thanks for looking! :-) Interestingly, the Toyota maintenance blog on how to maintain Battery condition on hybrids doesn’t mention remaining plugged in for PHEVs but simply says turn the car on and into ready- mode for a period each week. He said the battery was working fine. Took it to the dealer and they tested the battery, it was bad. Use a battery charger that is suitable for automotive applications and set it to a low voltage. To charge a Prius battery at home, you typically use a Level 1 or Level 2 charging option: EDIT: If your Prius has SKS, you really need to get a 12V battery from Toyota or the Bosch/Exide. 195k miles. Joined: Dec 16, 2017 5 5 0 Location: Ohio I’m actually charging up our 2010’s 12 volt this For those interested, it might be a good idea to start a thread for Gen4 prius 12 volt battery charging behavior much like @Rob43 started for the Prime 12v Battery Is Discharging, Re-Charge Now ! | PriusChat I'm the second to admit I really don't know how Gen 4 - both Prime and orther Gen4 models charges / discharges the 12 volt. If you’re like most people, you probably think that charging a 12 volt Prius battery is as simple as hooking it up to a standard 120 volt outlet. as something is not right. I just found out today the Atlanta South Pull-a-Part has 20!! By avoiding these common mistakes, you can successfully replace your Prius 12V battery without complications. If your Prius is a 2012 or older, the battery is probably under the floor mat in the trunk. 5 volts DC to charge the battery That's This is a common experience for many Prius and Prius Prime owners. My wife is in charge of the estate and we do not have use for the car. It's very likely too low. So far have confirmed there is a mystery Yeah the motor generator that does the generating generates the 211 volts to charge the HV battery The HV battery when the car is ready sends power to the inverter the thing up on top of your transmission right under your nose when you open the hood that has a circuit in it that takes 211 volts and inverts it or changes it to 14. Testing and diagnosis is an electrically advanced skill Short drives a few times a week are not enough to change the 12v battery. It is recommended to take the vehicle to a certified Toyota technician for diagnosis and repair. Leaving the car in Ready mode will help. I have a 2002 prius which I bought used a year ago. which your readings indicate that it is now. Calif and back to WA without any problems. There will be a significant but very brief current draw (perhaps 50 A or more and for about a second) from the 12-V battery during the starting to fire up the electronics, but there is no need to put the car in the HV mode or charge mode, as it is the DC–DC converter that charges the 12-V battery, and the DC–DC converter is agnostic to the selection of the The car will charge it. Problem is that it sat without being started for around 2 months in cold Iowa and the battery has lost it's charge. Once it is fully charged, it will take about 3 hours to charge from empty using a standard household outlet. 5 V or more, your charging system is probably OK. Typically 5-7 years, but could be less and some have reported much more. Is my Prius 12v Battery a lead acid or AGM Battery?. Here’s a quick rundown of what you need to know in order to charge your 12 volt Prius battery properly: 1. #8 Raytheeagle, Aug 25, 2017. During tests performed on my own car with a 55 AH battery fitted and discharged approximately 20% then being charged "while monitored" the initial charge rate was 43 amps dropping after 2 mins to under 20 amps. Come join the discussion about performance, Anyways, he had the 12v battery replaced (the one in the back) in 2020; so it's about three years old. A forum community dedicated to Toyota Prius Hybrid owners and enthusiasts. 8), so whenever the converter is operating, current is flowing backward through the battery, charging it. My Father in Law recently passed and he had a 2003 Prius. You might be able to remove it and charge it with a battery charger, I've had to put a new 12 volt battery in this car every 3 years and this seems Forums. If you want to monitor the 12V "charging" voltage in real time, put one of these in your front 12V outlet. my 12v battery read 12. Joined: Nov 21, 2013 29 7 0 Vehicle: 2005 Prius How Can You Charge a Prius Battery at Home or on the Go? You can charge a Prius battery at home using a standard outlet or a dedicated charging station, and you can also charge it on the go at public charging locations. 5 volts or so, to charge the 12V battery and supply the 12V system loads at the same time. I jump started the car to get it going and went for a drive and all seems well for now. Replace the 12v battery and everything should return to normal. Some 2023 – 2024 model year Prius Prime vehicles may exhibit a condition where the 12V auxiliary battery charge may deplete due to the plug-in charge control ECU not entering sleep mode when the Plug-in Hybrid Electric Vehicle (PHEV) charging cable has an extended connection without charging (for more than two hours). What is the Role of the 12 Volt Battery in a Prius? The 12-volt battery in a Prius is an essential component that stores energy to power the vehicle’s electrical systems and start the hybrid engine. I couldn't get my head around it: the world's most efficient car, sitting idling. If the car is not charging the 12v battery, you either need a new 12v battery or your car's charging circuitry needs to be repaired. Flew down to drive it back only to find out I had to replace a tire and dead battery. Then, set the charger to the correct voltage and amperage settings. Joined: Yesterday 1 0 0 Location: Portland, OR Vehicle: 2015 Prius Model: Two. Also if the battery is quite dead, the charger may refuse to provide power to the battery for safety reasons (not knowing if it is connected to a battery or not). The worst case scenario here would be you are replacing a 12 volt, that has some degree Could you please clarify for me: I have gotten four distinct opinions on how the Prius C 12v battery charges or should be kept charged. 4. If you/qnyone A hybrid battery may not charge due to bad or imbalanced cells. The dealership has had it for going on 3 weeks now. BatteryMinder 1510 user here that has helped keep our original 2010 Prius II 12v battery (purchased in August 2009) alive. If it discharges again, then it's likely due for replacement. Neither time on these swaps did I disconnect. The car must be driven everyday. Nothing to do with the 12 V battery. Be certain to check your 12 volt battery connections on your 12 volt battery and the status or voltage before prematurely having the hybrid battery replaced. While charging a 12V Prius battery is relatively easy, there are a few safety precautions you should take to avoid injury or damage to the battery or vehicle. If the auxiliary battery is old or not holding a charge, it may need to be replaced. Nick Pi New Member. What, in your opinion, is correct? The second AAA guy said, no, it is necessary for the wheels to be turning to get the traction battery to charge the 12v. I saw this recommendation from @jdenenberg. Yes, you can effectively charge a Prius 12V battery. checked 12 volt battery with the car running with a meeter at the battery and im only getting 8. We have a 2007 Prius and a 2015 Prius. Update: To test whether the inverter is charging the HV battery, I connected an OBD II plug. There's a warning light on most vehicles to indicate that the battery isn't charging correctly. (located inside the inverter assembly) produces a voltage slightly higher than the 12 volt battery (in a Gen 1, a voltage around 13. To properly charge a Prius 12V battery using a trickle charger, you will need to connect the positive lead of the charger to the battery’s positive terminal, and the negative lead of the charger to the battery’s negative terminal. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by coastiegunner, Sep 8, 2015. If you are using jumper cables from another running vehicle, you then have two different charging systems working at once. IMO 7 years for a Prius 12 volt, is a good run. Afterwards, I drove to my mechanic and I had the 12V battery checked. something is wrong with either 12V charging module, or ECU or DC inverter or one of them wonderful electronic devices, involved into that process. Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Nick Pi, Jan 16, 2024. Im putting a Maintenance charger If the 12-volt battery’s charge is low, it may need a jump start or replacement. Vehicle sat in lot of local toyota dealer for 3 months while a replacement traction battery was shipped from Japan to US and on to the dealership. (which I replaced with one from the Junk Yard and FIRST. While the vehicle's high-voltage hybrid battery gets much attention, the 12-volt battery plays a crucial role in powering electronic systems, starting the car, and maintaining overall functionality. The Prius operates with a hybrid system that may not fully charge the 12-volt battery, especially during short trips. The Optima Yellow Top battery is AGM (Absorbed Glass Mat). andyprius Senior Member. Joined: Dec 13, 2020 4 4 0 Location: Flagstaff, AZ Vehicle: 2007 Prius Model: N/A. My Prius is 13yrs old so im assuming that its not the original Battery and due to water around the battery the labels are not that readable. Save Share Reply Quote Like. My conclusion from this is; 1) my original battery is still good, but was not being charged enough to keep the voltage reading 13+ volts and 2) the Prius 12V charging system may not be charging our 12V batteries enough to keep them in 'good shape'. So when I park my car and turn it off, the check engine slowly light turns on, I hear a long beep, and it only works again if I jumpstart it. I'm assuming the battery ran out of charge, and I must've left a light on or something. The main tools required are as follows: 1. Use "Park" not neutral. Page 1 of 2 1 2 Next > Lou Fezio Junior Member. You can hook a pigtail to the battery terminals, and then you plug the Battery Tender cable into the pigtail and plug the Battery Tender into the wall socket. Not a short term problem but not good for longer periods. Approximately 9 months ago, I replaced my 12V battery Charging the 12 Volt Battery. Search Forums; Featured Threads; Recent Posts 2nd Gen 12 Volt Battery Charging Issue. When the vehicle is in ACC mode or is turned off, the 201V battery is disconnected, and the 12V system runs entirely from the 12V battery. sure enough it worked! The big battery will charge the 12v over that time. If the connections are good, you may need to replace the battery or the charging system. The 12 Volt batter y runs down very quickly in accessory mode. . If that's the original 12v battery then its WAY-WAY past needing replacement. In my Prius Plug-in, I understand the 12V Battery is only charged when plugged in if Read somewhere you have to leave the car on for at least 8 hours to completely charge the 12v battery. I just purchased a 2009 Prius at an insurance auction in Phoenix. I tested the 12V battery myself using diagnostic mode with the following voltages; Ignition Off (IG-OFF): 12. When the Prime was in READY, the 12v battery read 13. The short answer is no, driving the Prius does not charge the 12 The "electric motors" only charge the high voltage battery. This made me think the Prime did not Prius Battery And Charging 12V not charging. I gained 2 miles of EV range as indicated on the dash display by replacing the 12 volt battery. Still troubling is why the 12v battery is not being charged. Begin the jumpstart process by opening the Prius hood and locating the 12V battery, usually near the 3) While driving, a red triangle symbol on my dashboard popped up. 2, you should be concerned. Inspect Battery Terminals: Ensure the battery terminals are clean and securely connected. Being the original battery, it showed multiple signs it wasn't holding the charge anymore: the red triangle for a few seconds after ignition the morning, or after a few minutes with the hazard lights on, etc. 3 volts. To be clear, never, ever, use accessory mode. I learned the Gen 2 Prius AGM battery 5) Re-Charge your 12v battery with your external 12v battery charger and bring it back up to a full charge. #7 Patrick Wong, Jun 1, 2008. The original battery was reading around 12. its been a great little car and it only has 129,000 miles This device takes the high voltage from the traction battery and steps it down to about 14. I did a 2400 mile road trip to So. Jump to Latest 12V not charging. I replaced my original Denso 12V battery on my 2008 Prius (09/07 build, 11/07 purchase) in October of 2012. Battery Tender is a reliable brand. When the car is in neutral it doesn't charge the HV battery, the "traction battery". Can't get the local garage near me to help as they aren't reading any codes, therefore they wont help without some serious investment. For example, the Toyota Prius battery may lose about 20% If a Prius is not charging its 12V battery, there are several possible solutions. Toyota only recommends a 4 amp maximum charger be used for the Prius 12v battery. This article will provide you with a step-by-step guide on how to charge the Prius 12v battery effectively. You haven't affected the traction battery - the problem is with the discharged 12V battery. E. Use proper equipment: Always use a high-quality charger or jump starter specifically designed for 12V batteries. If you want to see this coming a little in advance, and think about a battery replacement quicker with a scheduled appt at toyota, you might get a BM2 device and monitor the resting voltage of the battery with a phone app often at the beginning of the day (after the battery has been resting The Prius charging system is active at all times in Ready. It does not matter if the car is being motivated by the traction battery or the The small 12V battery has a limited lifespan. The Check the Auxiliary Battery Health: Start by having the 12-volt auxiliary battery tested to ensure it's holding a charge and functioning properly. The 12V auxiliary battery has a label warning against using a charging current in excess of ~4A, so if a charger is used I suggest that it should be set to a low current position. That power is diverted from EV use to battery charging. 2010 Prius - Won't start - new 12v battery. Guys, I need help! With the cold weather approaching, I decided it is time for a new 12v battery on my 2005 Prius. #2 Stu Wood, Oct 11 however, fully agree with the suggestion that it's past time to replace the 12 Any Battery Tender brand with a capacity of 2 amps or more would be good for battery maintenance when not in use. Ensure all connections are secure and follow safety tips. Just trying to see if this is a one off, or if anyone else is having this issue: If I plug it in with the included charger and let it sit for about 24 hours, the 12 volt aux battery system is dead and I have to jump the car to get going. Battery degradation from age or high usage can also affect charging. One inverter is the same as on a regular Prius. I just brought it to an auto shop and they are stumped. thought that was crazy but I had nothing to lose. To charge the conventional 12-volt battery, locate the battery under the rear seat. The maximum discharge on hybrid 12v batteries, and AGM batteries, is actually much less than in a non hybrid with a lead acid. ** All of this assumes your Prime is not plugged into your OE EVSE unit because many of the Prime owners can't leave their Prime plugged in 24/7. I can see that the HV battery is charging (and discharging) when the engine is running. Last edited: The 12v battery is charged by one of two inverters. These factors can result check the 12-volt battery first, and replace it if necessary. 0V in maintenance mode, and users here had suggested that I go ahead and replace it. Put a trickle charger on the 12V battery for now and get it fully charged. Make sure that the charging system in your Prius is turned off. I prefer a 4 amp capacity because it will recover a usable charge quicker if you make a mistake and let it get too low. If that comes up at 13. I wasn’t sure that these batteries were 2004-2009 gen 2 prius p park position hybrid battery will not charge problem. The pack voltage increased substantially (290 to 310) so I'm fairly confident that the inverter is working. If the new battery gets to the point where a jumpstart is required, and if you wish to save the battery at that point, it is necessary to fully-charge the battery overnight. Other option if you have a battery charger use it. Have been searching online for Prius Gen3 specific charging guidelines but just find generic 12v info. If the car’s battery voltage drops below 12 volts, it means that it is dead. donzoh1 why wont 12 volt battery charge in a 2005. The outlet is OFF until you press the Power button. 4v. So you should not really see conventional car 13-14 V charging 4. Its lifespan depends on driving habits and maintenance. Joined: Jun 4, 2012 2,208 558 0 Vehicle: 2005 prius battery is not charging . This DC-DC converter only puts out this voltage when the car is in Ready mode. Out of all options here, I'd opt for #2 and try The Toyota Prius, a benchmark in hybrid technology, relies on its 12-volt battery for numerous essential functions. Is this true? I have a Tacoma I drive infrequently now that I have the Prius but with winter weather storms I will be driving the Tacoma more in poor I've read that the dc-dc converter in the Prius Prime can handle 100 amps of current for all things the 12v battery powers. Regular maintenance of both the Prius battery types is crucial for optimal performance. 1V Title: Charging the Prius 12v Battery: A Comprehensive Guide to Optimal Performance Maintaining a healthy 12v battery is crucial for the optimal performance of your Prius. If you are doing mostly short journeys, get a decent battery charger and charge the car occasionally. After my 17 year old daughter drives it, there's never a Forums. The Toyota Removal Procedure DOES call for disconnecting the negative cable from the 12V battery before removing the Service Plug Grip, so I had missed that That is correct. Joined: Feb 21, 2005 2,212 188 0 Location: The Prius 12 volt battery is tiny and excessive charge rate will kill it. Sorry but that's the hard truth of owning a 13 year old Prius. Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by HM_, 12 volt battery; 12 volt battery charging; 12v; aux battery; aux battery charging; auxiliary battery; HM_ New Member. Got those items from a nearby salvage yard and got a charged used battery. Following these methods will not only prolong battery life but also Get some charge in the 12 V battery (external charger or jumper cables)and the traction battery will charge. I had kept the 12V battery connected during the entire removal and replacement process, as the Inspection Procedure called for putting vehicle in IG-ON state for one test. I'm not always a protocol follower in regard to disconnecting the 12v battery. The yellow top Optima is 38Amp-hr, and would be fine for a non-SKS Prius, b/c there isn't the continuous drain of the SKS system look/waiting for the fob to come w/in range. Do not overcharge: Overcharging a battery can cause damage or even lead to 2009 Prius not charging the 12v battery . Aim to drive your Prius regularly to allow sufficient charging. On newer models, pop the hood and remove the black cover 12v Battery Charging Options. All three of these are 45Amp-hr batteries; these were supplied w/ the car originally. 2V; Ignition On (IG-ON): 11. As Jimbo has already stated, there is a DC to DC voltage converter that draws from the 201V battery and supplies the 12V system. Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Kent10, Dec 13, 2020. found that battery capacity can drop significantly after around 10 years. 1-12. The dual charging ranges of the above model is a plus. It sounds like the 12v battery in the trunk is discharged. Next, we will explore specific maintenance tips and troubleshooting steps to ensure your Prius’s 12-volt battery remains in peak condition. The second inverter/charger is built into the plug-in charging system and charges the 12v battery when New 12V battery not recharging in 2015 Prius. Most new batteries need an overnight charge before use and the onboard charging system is designed to MAINTAIN a full charge and might not be able to recover a full charge if the battery gets near dead. Neutral is for car washes, pushing the car around, etc. 6 V till the the battery is charged. The Prius low 12 volt battery problem is when your vehicle battery is not charging properly. 3. After doing some tests on the Prius charging system I was surprised to find that it is not limited to charging at 4 amps. Charge and 4 amps or less for at least 8 What I have is a 2010 Prius with 216k miles on it that for The 12-volt battery in a Toyota Prius usually lasts 4 to 6 years, or around 50,000 to 100,000 miles. 2007 losing 12v battery charge. PriusChat has been the go-to spot for Assuming you are talking about the 12-volt battery in a Toyota Prius and not the high-voltage battery, it should be charged when it gets low. However, there’s a bit more to it than that. If it does not, then put it on a charger overnight, set to the 4A charging position. 1 post · Joined 2016 Add to quote; Only show this user #1 · Feb 13, 2016. The 12v on the prius doesn't even provide the power to start the engine. I drove it back to Vegas, no problems, but suspected that it was not charging the 12v so never turned the car off when When I first started thinking about Prius, I'd notice Prius cabs (as I was walking to my morning train commute) sitting in cold parking lots, steam coming outa the back. you need to check the voltage at the battery while the car is "running" (in ready mode). At least 15 miles to keep both charged. Jump to Latest 5. Waited about an hour and the car stated. If it consistently sits at 12. Posted via the PriusChat mobile app. For the 2007 Prius, the 12-volt battery is located in the trunk. Adam W Rambo New Member. traction and stability control warning lights are telling you about a problem with your 12 volt battery, despite the facts that (a) you've done a pretty good job of ruling out the battery as a problem area, (b) your It depends on the car as to whether there will be any maintenance of the 12V Battery if left plugged in and the traction Battery is not charging. Discussion in 'Gen 3 Prius Care, Maintenance Let it sit overnight and then check the charge. Kent10 Junior Member. Overall, replacing a Prius 12V battery yourself not only saves money but also enhances personal skills and helps in environmental conservation efforts. then vehicle started sputering and would not accelerate over 25 mph. bisco and NutzAboutBolts like this. The 2007 Prius is losing 12v battery after parking overnight but it's only after I drive it. That says to me mains charging doesn’t top up the 12v Battery. ebarpfgehctopyjllmkhocrekhsoogcfpkhejohndiqlcxdeqruppvpbqlodmsuuzzbrazyy
